Exercise device



FIG. 1 is a perspective view of the exercise device according to the newdesign.

FIG. 2 is a front view thereof.

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines showing illustrate portions of the exercise devicewhich form no part of the claimed design.

CLAIM I claim the ornamental design for an exercise device, as shown anddescribed.